As shown in the figure below, two masses m1 = 5.10 kg and m2 which has a mass 60.0% that of m1, are attached to a cord of negligible mass which passes over a frictionless pulley also of negligible mass. If m1 and m2 start from rest, after they have each traveled a distance h = 2.40 m, use energy content to determine the following.   (a) speed v of the masses  m/s (b) magnitude of the tension T in the cord  N

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